Fingerprints are like tiny signatures we leave everywhere. Investigators dust with powder—black for light surfaces, white for dark ones. Then they lift the print with sticky tape, like a bizarre sticker collection.
But sweat doesn’t stay forever. Porosity matters. Wood absorbs sweat and makes prints blurry. Glass? Crystal clear. Ever touched a window? You’re leaving a love letter to the cops.
Introduction to Crime Scene Investigation.pptx
Here’s a jaw-dropper: Feet have fingerprints too. Toes! So if a suspect walks barefoot, they leave toe prints. Detectives have actually matched them to suspects. Imagine that as a party trick: “I can identify you by your big toe.”